Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Yellow, Green, Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Yellow, Green, Violet, pink, Yellow, Green, Violet, pink
Brown, Black
White, Green, White, Green
Not Available
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
Not Available
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)